On Fri, Oct 17, 2014 at 09:02:00AM +0000, David Laight wrote:
> From: Of Sudip Mukherjee
> > modified the function to have a single return statement at the end
> > instead of multiple return statement in the middle of the function
> > to improve the readability of the code.
>
> Many of us would disagree with you there.
> Early returns actually make the code easier to read, certainly
> better than a goto 'end of function'.
>
actually , frankly speaking, this first return statement was also easier for me
to understand. But in my v1 patch , Paul mentioned :
>For a long function like this, I'd rather keep a single return point at
>the end.
so I thought he meant all the return statements in the function.
thanks
sudip
> David
>
> > This patch depends on the previous patch of the series.
> >
> > Signed-off-by: Sudip Mukherjee <su...@vectorindia.org>
> > ---
> > drivers/usb/dwc2/gadget.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
> > index 7f25527..e8a8fc7 100644
> > --- a/drivers/usb/dwc2/gadget.c
> > +++ b/drivers/usb/dwc2/gadget.c
> > @@ -2471,7 +2471,8 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep,
> > dir_in = (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) ? 1 : 0;
> > if (dir_in != hs_ep->dir_in) {
> > dev_err(hsotg->dev, "%s: direction mismatch!\n", __func__);
> > - return -EINVAL;
> > + ret = -EINVAL;
> > + goto error1;
> > }
> >
> > mps = usb_endpoint_maxp(desc);
> > @@ -2583,6 +2584,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep,
> >
> > error:
> > spin_unlock_irqrestore(&hsotg->lock, flags);
> > +error1:
> > return ret;
> > }
> >
> > --
> > 1.8.1.2
> >
> > --
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>
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